79．This is an English book．(改为一般疑问句)

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78．I am l2 years old．(对划线部分提问)

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77．Is that your backpack? (作否定回答)

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76．This is a map．(对划线部分提问)

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75．What’s_______________(Jane)first name?

74．My_______________(parent)are teachers．

73．It’s nice to_______________(meet)you．

72．I s that ____________ (he)backpack?

71．This is_______________(I)pencil case．

70．How are you? Fine，t_______________．